LotusTalk - The Lotus Cars Community - Reply to Topic
Thread: Esprit ENGINE TRANSPLANTS? Reply to Thread
Send Trackbacks to (Separate multiple URLs with spaces) :
Post Icons
You may choose an icon for your message from the following list:

Register Now

In order to be able to post messages on the LotusTalk - The Lotus Cars Community forums, you must first register.
Please enter your desired user name, your email address and other required details in the form below.

User Name:
Please enter a password for your user account. Note that passwords are case-sensitive.


Confirm Password:
Email Address
Please enter a valid email address for yourself.

Email Address:


  Additional Options
Miscellaneous Options

  Topic Review (Newest First)
06-13-2019 10:36 AM
Esprit - 358cid conversion

Interesting thread:


Reliable American engine!

Tons of good pictures/interesting ideas:

06-13-2019 09:47 AM
Esprit - 358cid conversion

Interesting thread:


Reliable American engine!
06-08-2019 07:05 AM
Erik L Wow

You really dont need more power than that in almost any car. That is impressive. I wonder if you have to run race gas?
06-08-2019 06:51 AM
MRDANGERUS Here is a star!

10-22-2018 11:44 AM
Beerman Thank you, it's a good thought, but not necessary here. The nylocks are serving merely as a jam nut on a threaded bore of the caliper ear. In other words, no locking mechanism is necessary here.

Related, these are zytel 103 nylock nuts which are rated for continuous use to 350 degrees. The fluid will begin to boil 100 degrees below this.
10-22-2018 08:20 AM
Originally Posted by Beerman View Post
Moving the inboard brakes to the outboard position as there was no way to retain inboard with the audi transaxle. Custom made caliper mounts and spacer for proper disc/caliper position.
Please replace your nylock nuts holding the calipers on with appropriate metallic self locking nuts.

The heat from the brakes will soften the nylon and it will not function as intended.
10-21-2018 11:20 AM
Beerman Sure. They're called the Ultralight 2 SVA. There's also a four piston version with the integrated mechanical handbrake.

Very nicely made/finished calipers.

SVA Ultralite 2 range
10-20-2018 06:26 PM
snowrx Hey Beerman, do you have a part number/application for those HiSpec calipers?
10-20-2018 08:39 AM
Beerman And a few more pics here.

Hoping to have this project finished by this coming summer. The engine and ECU/EFI work isn't far off completion. Still have to fit the rear deck and modified trunk panels....and there will definitely be some custom finishing work needed there.....
10-20-2018 08:34 AM
Beerman Quick update here....

Moving the inboard brakes to the outboard position as there was no way to retain inboard with the audi transaxle. Custom made caliper mounts and spacer for proper disc/caliper position.

Installed the Wizard Cooling radiator with spal fans. Impressed with the quality of the wizard product - very nice.

Ceramic coated the exhaust pipes downstream of the collectors.
10-18-2018 06:51 PM
Erik L https://bringatrailer.com/listing/19...ford-zakspeed/

I will just leave this here (I stole that)
08-21-2018 02:52 PM
Beerman Very interesting idea. Looking at the pics I would guess the porsche engine is too wide to fit acceptably in the Esprit engine bay. Need some room on the sides of it for access. Would be an interesting project however.
07-15-2018 01:07 PM
Erik L Another interesting swap, a 718 cayman/ boxster turbo four with the trans. I suppose the flat 4 might be too wide for the Lotus Engine bay

Here are some pics - looks very wide. The stand alone engine management would probably cost 10K and has not been invented yet....

07-06-2018 06:09 PM
Erik L I have been dreaming lately of an M3 V8 and a boxster/cayman 6 speed swap. Modern trans and high revving V8 that is supposed to be reliable and you can track them hard reliably by some accounts....anybody make a bolt in kit :-)

I like the Audi turbo 4 cyl and 01e trans idea, I wonder how they are with oil control/slosh on track with R compound tires?
01-18-2018 02:21 PM
Beerman Extratx, that would be a fun combination - one word of caution....these engine transplants are a ton of work. Engineering all the systems (cooling, exhaust, ignition, transaxle/CV's, etc.) to marry up the new with the old takes a ton of time to get it all to work together properly.

The 01E is a good choice too. I'm using an 016 simply because I'm very familiar with it and have a few available with the right ratios, and parts already in stock....LSD, new bearings and seals, etc. The 01E is probably a better transaxle to start with frankly.
01-18-2018 06:52 AM
Extratx I dream of putting an Audi 4 cyl. engine and trans into my '88. They're fairly reliable when built at 400hp and the trans shifts like a modern manual should. Never been happy with the citroen trans in my '88 and I know trying to squeeze any more hp out of the Lotus 2.2 is just trouble waiting to happen. Tons of fun performance parts available for the Audi world.

Why did you build the Audi 016 instead of the 01E?
01-18-2018 06:38 AM
Beerman You bet Dangerous. It's an audi 016 with a hardened steel strengthening plate at the stern end, and an LSD from a 944. The first two places these 016's implode under big loads is the bearing carrier at the rear pushes through the housing and the spider gears in the diff break up. The strengthening plate helps with the former, the LSD solves the latter.

You can buy these transaxles already worked over like this from German Transaxle of America in Portland (about $6K), or you can DIY it yourself with the proper skills/tools/parts if you enjoy the technical process. I've built up 5 of these transaxles now in this way and all are doing well, some behind 500 hp/tq engines.

Just my personal $.02 here - the citroen transaxle is junk, the UN1 is marginal, and the G50 with LSD and RBT tend to be $10K+ and somewhat heavy and balky to shift, particularly the RBT. That's just me though.
01-18-2018 06:33 AM
MRDANGERUS Shortening the stack length will change the max torque point.

S4/S4s hatch without the glass would solve the problem.
01-18-2018 06:25 AM
Originally Posted by mieczkow View Post
That's really an impressive car. Congratulations on bringing the project to this stage. Are you concerned about the engine breathing once you reinstall the rear hatch?
Thanks Tom. That's a good point - it's been on my mind as I'm not sure how/if the glass window in the hatch will clear the trumpets. I can certainly put on short trumpets - the ones on there are pretty tall.

I'll come up with some solution if the clearance just isn't there - really don't want to have to modify the hatch if I can avoid it.....
01-18-2018 06:13 AM
MRDANGERUS Exciting project!

Please tell us more about the transmission set up
This thread has more than 20 replies. Click here to review the whole thread.

Posting Rules  
You may post new threads
You may post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off

For the best viewing experience please update your browser to Google Chrome